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Finding the Fourth Proportional to 341,966.80, 512,335.80 and 292,814.80

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Solution

The fourth proportional to 341,966.80, 512,335.80 and 292,814.80 is: 438,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,966.80 : 512,335.80 = 292,814.80 : x
  2. Step 2: Convert to fraction form
    341,966.80/512,335.80 = 292,814.80/x
  3. Step 3: Cross multiply
    341,966.80x = 512,335.80 × 292,814.80
  4. Step 4: Simplify right side
    341,966.80x = 150,019,504,809.84
  5. Step 5: Solve for x
    x = 150,019,504,809.84/341,966.80
  6. Step 6: Final answer
    x = 438,696.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.